Permit Record

New Construction Residential Sf

78 Holworthy St, Cambridge, MA 02138

ClassificationBuilding: New ConstructionResidential New (Single-Family)
Reliable value$500,000
ContractorDuncan Macarthur
Permit record
Parties
Contractor
Duncan Macarthur
Applicant
Duncan Macarthur
Owner
Not in source
Architect
Not in source
Engineer
Not in source
Contractor license
Not in source
Building & lot · PLUTO
Building class
Not in source
Zoning district
Not in source
Lot area
Not in source
Year built
Not in source
Units (total)
Not in source
Units (residential)
1
Units (commercial)
Not in source
Floor area
Not in source
Parcel & enrichment
Parcel APN
254-31
Climate zone (IECC)
5A
Roof area (est.)
Not derivable — no building-size signal for this permit
HVAC tonnage (est.)
Not derivable — no building-size signal for this permit
Building type
R
Building subtype
One or Two Family Dwelling
Geocode & dates
Coordinates
42.3767, -71.1506
Geocode confidence
100%
Geocode source
Not in source
Issued
May 29, 2019
Applied
Jan 16, 2019
Work class
Residential
Status
Current status
finaled
Source status
Complete
Finaled
May 29, 2019
Provenance
First seen by PermitCore
May 18, 2026 · 16:13 UTC
Last seen
Aug 11, 2026 · 10:04 UTC
Last changed
Jul 2, 2026 · 11:39 UTC
Data-quality checks0 of 12 flagged

0 of 12 data-quality rules flagged anything on this permit.

Checks not flagged

  • Geocode out of bounds
  • Geocode is sentinel
  • Issued date in the future
  • Issued date parse bug
  • Issued date is placeholder
  • Commercial units is placeholder
  • Residential units out of bounds
  • Residential units is placeholder
  • Total units out of bounds
  • Total units is placeholder
  • Valuation out of bounds
  • Valuation is placeholder
Project timeline at this parcel

2 permits at this parcel (parcel 254-31) · Feb 14, 2019 – May 29, 2019

  1. May 29, 2019This permitNew Construction Residential Sf · Finaled$500,000Duncan Macarthur
  2. Feb 14, 2019cambridge_aa_26118Alteration Residential · Finaled$375,000Macarthur Construction Company

Full permit history at this parcel · as of Jul 8, 2026.

Other permits by Duncan Macarthur

Showing up to 12 most-recent permits by this contractor in the indexed window

No other permits by this contractor in the indexed window.
Developer details
Permit #
cambridge_nc_30659
Canonical ID
309:cambridge_nc_30659
Source permit ID
cambridge_nc_30659
Browse Boston permits in the Market Explorer →Pull this permit via /v1/permits →